Amentoflavone 7,4',7'',4'''-tetramethyl ether, a biflavone, is a natural product that can be isolated from Selaginella moellendorffii[1].
[1]. Sun CM, et al. Selective cytotoxicity of ginkgetin from Selaginella moellendorffii. J Nat Prod. 1997 Apr;60(4):382-4.
















